LiveScience: Global emissions of carbon dioxide -- one of the leading causes of global warming -- stalled in 2014, marking the first time in 40 years that there was no climb in CO2 emissions during a time of economic growth. The results suggest that efforts to reduce emissions may be on the upswing, but experts say the situation is not so simple.
In fact, some scientists say that the findings, announced last week by the International Energy Agency (IEA), represents only one data point and that the overall...